[CO₂]

(µmol∙mol⁻¹)

PPFD

(μmol∙m⁻²∙s⁻¹)

N

P

K

Ca

Mg

B

Cu

Fe

Mn

Zn

mg shoot mg element in shoot⁻¹

mg shoot mg element in shoot⁻¹ (×10⁴)

CCN 51

400

100

43.0

239.2

49.2

58.3

139.7

2.49

6.58

3.65

1.15

2.83

200

41.3

224.9

54.7

56.3

143.7

2.42

5.73

5.04

0.85

3.23

400

50.8

247.2

61.6

55.4

130.5

3.25

5.98

3.53

2.40

3.51

700

100

45.1

227.1

47.6

56.4

160.8

2.77

5.25

4.15

1.15

2.83

200

50.1

238.7

53.0

56.3

129.8

3.04

5.32

3.94

1.02

2.78

400

83.5

268.4

79.4

68.3

137.7

6.37

9.04

3.17

3.02

4.82

VB 1117

400

100

46.3

309.8

49.6

166.8

140.7

2.15

10.95

4.82

0.75

1.93

200

45.3

291.1

52.8

59.0

142.2

2.60

6.24

4.27

1.05

2.59

400

48.8

313.5

57.2

65.3

154.1

3.46

7.58

4.26

1.28

2.85

700

100

51.2

304.9

50.0

67.5

156.5

2.77

6.93

4.06

1.36

3.07

200

63.8

276.5

64.7

72.6

154.7

4.31

7.57

4.79

2.16

4.75

400

82.1

278.0

76.4

80.2

170.4

7.14

9.71

4.78

2.93

4.74

NO 81

400

100

46.4

250.0

52.3

53.4

151.9

2.38

6.06

4.62

0.94

1.93

200

47.7

235.3

62.2

54.6

164.9

2.98

6.90

4.35

1.20

2.67

400

54.3

252.1

76.9

52.2

142.0

3.82

6.75

4.70

1.45

2.72

700

100

48.6

246.7

51.0

113.4

154.1

2.54

9.40

4.72

1.16

2.20

200

67.7

238.7

64.8

55.5

139.1

3.84

7.13

3.89

1.76

3.27

400

84.4

260.5

78.3

63.5

133.3

5.79

7.73

2.79

2.84

3.58

Significance

Genotype (G)

NS

**

**

NS

*

NS

NS

NS

NS

**

[CO₂] (C)

**

NS

**

NS

NS

**

NS

NS

**

**

PPFD (P)

**

NS

**

NS

NS

**

NS

NS

**

**

LSD_0.05

25.4

88.7

14.9

126.4

39.3

2.68

7.01

2.44

1.72

1.58